terraform-mcp-server vulnerable to cross-user credential inheritance if an MCP session ID is obtained by another user
En bref
Sévérité
HIGH 8.9
EPSS
EPSS 0.36 % · centile 29 (2026-10-28)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
HashiCorp
Statut NVD
Deferred
Description
The terraform-mcp-server before version 1.1.0 is vulnerable to an authorization bypass in the streamable-HTTP stateful transport mode that may allow a user who obtains another user's MCP session ID to have their tool calls executed using that user's Terraform credentials. This vulnerability, CVE-2026-16496, is fixed in terraform-mcp-server 1.1.0.